Even as Vice President Dick Cheney travels abroad to shore up support for U.S. military action against Iraq, senators are urging a go-slow approach, fearful that Iraq would be a more formidable enemy than the Taliban and al Qaeda network. Sen. Jack Reed (D-R.I.), a member of the Armed Services Committee, said, “At this point, I think we can’t lose sight of the fact that we have significant tasks ahead of us in Afghanistan, around the world, and that I don’t sense that we are or should rush into a military confrontation with Iraq.” Sen. John Kerry (D-Mass.), a member...